Alright, let's work through 1440 times 4628 step by step
1440 × 4628 = 4628 × (1440)
+ 4628 × 0 what gives us 0
+ 4628 × 40 what gives us 185120
+ 4628 × 400 producing 1851200
+ 4628 × 1000 that is equal 4628000

= 6664320
